These silver horseshoe-shaped keychains for colon cancer awareness have round silver rings with a dark blue ribbon hanging in the middle and the words "Colon Cancer Awareness" all around it. A superb product to sell in order to support colon cancer awareness campaigns. The diameter of the keychains, which are made of sterling silver plating, is around 1 1/2 inches, while the charms have a diameter of about 3/4 inches. Every keychain is packaged in a bag.